Comparison

FORD FLEX vs GMC SUBURBAN

Side-by-side comparison of the FORD FLEX and GMC SUBURBAN drawn from the NHTSA consumer-complaint database, defect investigations, recall history, and NCAP crash-test ratings.

According to the National Highway Traffic Safety Administration (NHTSA), more than 2,000,000 consumer complaints have been filed against U.S. vehicles (2,054,142 as of August 2026). This is a head-to-head safety comparison between the FORD FLEX (2009–2019) and the GMC SUBURBAN (1974–2004), drawn from that federal complaint and recall record; see our methodology for how the figures are compiled.

The FORD FLEX (2009–2019, 11 model years) carries 2,324 NHTSA consumer complaints and 14 safety recalls, while the GMC SUBURBAN (1974–2004, 23 model years) carries 2,323 complaints and 3 recalls. Severity indicators for the pair split as follows: 103 vs 246 crashes, 18 vs 39 fires, and 3 vs 14 reported fatalities.

Raw complaint counts favor whichever nameplate has fewer vehicles on the road, so the cleaner lens is components: which specific part families concentrate each model's filings? For the FORD FLEX, the leading complaint category is electrical system (370 filings), followed by steering and unknown or other. For the GMC SUBURBAN, it is service brakes, hydraulic:antilock/traction control/electronic limited slip (745), ahead of visibility:windshield wiper/washer:motor and seats. When the two vehicles cluster around the same component, the problem is likely a shared supplier or a shared federal standard under stress; when they diverge, each nameplate has its own defect signature independent of the other.

Average NCAP crash-test scores are not uniformly available for both nameplates in this dataset, which typically means one or both pre-date the 2011 rating methodology refresh. Use the side-by-side table below as your scorecard, but do not treat it as a verdict. Recall counts tell you how many defects the manufacturer has already been compelled to remedy; complaint counts tell you what owners are still flagging today; and safety ratings tell you how the vehicle performs in standardized barrier tests, three different lenses on the same underlying question. The "also compare" links at the bottom of this page let you triangulate against neighboring nameplates in each model's competitive set.

FORD FLEX vs GMC SUBURBAN - NHTSA complaint, recall, and safety rating comparison
FORD FLEX Metric GMC SUBURBAN
N/A Avg Safety Rating N/A
2,324 Total Complaints 2,323
14 Total Recalls 3
103 Crashes Reported 246
18 Fires Reported 39
92 Injuries Reported 169
3 Deaths Reported 14
11 years Years on Market 23 years

Top Complaint Categories

ELECTRICAL SYSTEM
370
0
STEERING
365
0
UNKNOWN OR OTHER
224
0
ENGINE
176
0
FUEL/PROPULSION SYSTEM
163
0
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
0
745
VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR
0
101
SEATS
0
77
FORD FLEX GMC SUBURBAN

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Frequently Asked Questions

Which is safer, FORD FLEX or GMC SUBURBAN?
FORD FLEX has 2,324 total NHTSA complaints with 103 crashes, while GMC SUBURBAN has 2,323 complaints with 246 crashes. Review individual model years for specific safety ratings.
How many recalls does FORD FLEX have compared to GMC SUBURBAN?
FORD FLEX has 14 recalls across 11 model years, while GMC SUBURBAN has 3 recalls across 23 model years.
What are the most common problems with FORD FLEX?
The most commonly reported issues for FORD FLEX are: ELECTRICAL SYSTEM (370 complaints), STEERING (365 complaints), UNKNOWN OR OTHER (224 complaints), ENGINE (176 complaints), FUEL/PROPULSION SYSTEM (163 complaints).
What are the most common problems with GMC SUBURBAN?
The most commonly reported issues for GMC SUBURBAN are: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP (745 complaints), VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR (101 complaints), SEATS (77 complaints), POWER TRAIN:AUTOMATIC TRANSMISSION (71 complaints), VISIBILITY:WINDSHIELD WIPER/WASHER (68 complaints).

Source: National Highway Traffic Safety Administration (NHTSA) complaints and recalls data